142 static int dns_getaddrinfo(const char* name, const addrinfo* pai,
149 static bool files_getaddrinfo(const size_t netid, const char* name, const addrinfo* pai,
182         (ai) = get_ai(pai, (afd), (addr));                   \
446 static int explore_fqdn(const addrinfo* pai, const char* hostname, const char* servname,  in explore_fqdn()  argument
449     assert(pai != nullptr);  in explore_fqdn()
458     if ((error = get_portmatch(pai, servname))) return error;  in explore_fqdn()
460     if (!files_getaddrinfo(netcontext->dns_netid, hostname, pai, &result)) {  in explore_fqdn()
461         error = dns_getaddrinfo(hostname, pai, netcontext, &result, event);  in explore_fqdn()
484 static int explore_null(const struct addrinfo* pai, const char* servname, struct addrinfo** res) {  in explore_null()  argument
493     assert(pai != NULL);  in explore_null()
505     s = socket(pai->ai_family, SOCK_DGRAM | SOCK_CLOEXEC, 0);  in explore_null()
514     if (get_portmatch(pai, servname) != 0) return 0;  in explore_null()
516     afd = find_afd(pai->ai_family);  in explore_null()
519     if (pai->ai_flags & AI_PASSIVE) {  in explore_null()
539 static int explore_numeric(const struct addrinfo* pai, const char* hostname, const char* servname,  in explore_numeric()  argument
547     assert(pai != NULL);  in explore_numeric()
559     if (get_portmatch(pai, servname) != 0) return 0;  in explore_numeric()
561     afd = find_afd(pai->ai_family);  in explore_numeric()
565         if (pai->ai_family == afd->a_af || pai->ai_family == PF_UNSPEC /*?*/) {  in explore_numeric()
568             if ((pai->ai_flags & AI_CANONNAME)) {  in explore_numeric()
574                 error = get_canonname(pai, cur->ai_next, canonname);  in explore_numeric()
596 static int explore_numeric_scope(const struct addrinfo* pai, const char* hostname,  in explore_numeric_scope()  argument
606     assert(pai != NULL);  in explore_numeric_scope()
614     if (get_portmatch(pai, servname) != 0) return 0;  in explore_numeric_scope()
616     afd = find_afd(pai->ai_family);  in explore_numeric_scope()
619     if (!afd->a_scoped) return explore_numeric(pai, hostname, servname, res, hostname);  in explore_numeric_scope()
622     if (cp == NULL) return explore_numeric(pai, hostname, servname, res, hostname);  in explore_numeric_scope()
634     error = explore_numeric(pai, addr, servname, res, hostname);  in explore_numeric_scope()
654 static int get_canonname(const struct addrinfo* pai, struct addrinfo* ai, const char* str) {  in get_canonname()  argument
655     assert(pai != NULL);  in get_canonname()
659     if ((pai->ai_flags & AI_CANONNAME) != 0) {  in get_canonname()
666 static struct addrinfo* get_ai(const struct addrinfo* pai, const struct afd* afd,  in get_ai()  argument
671     assert(pai != NULL);  in get_ai()
678     memcpy(ai, pai, sizeof(struct addrinfo));  in get_ai()
817                                   int qtype, const struct addrinfo* pai, int* herrno) {  in getanswer()  argument
834     assert(pai != NULL);  in getanswer()
972                 ai = *pai;  in getanswer()
991             (void) get_canonname(pai, sentinel.ai_next, qname);  in getanswer()
993             (void) get_canonname(pai, sentinel.ai_next, canonname);  in getanswer()
1384 static int dns_getaddrinfo(const char* name, const addrinfo* pai,  in dns_getaddrinfo()  argument
1392     switch (pai->ai_family) {  in dns_getaddrinfo()
1398             if (pai->ai_flags & AI_ADDRCONFIG) {  in dns_getaddrinfo()
1442     addrinfo* ai = getanswer(q.answer, q.n, q.name, q.qtype, pai, &he);  in dns_getaddrinfo()
1448         ai = getanswer(q2.answer, q2.n, q2.name, q2.qtype, pai, &he);  in dns_getaddrinfo()
1477 static struct addrinfo* _gethtent(FILE** hostf, const char* name, const struct addrinfo* pai) {  in _gethtent()  argument
1486     assert(pai != NULL);  in _gethtent()
1512     error = getaddrinfo_numeric(addr, nullptr, *pai, &res0);  in _gethtent()
1516         res->ai_flags = pai->ai_flags;  in _gethtent()
1518         if (pai->ai_flags & AI_CANONNAME) {  in _gethtent()
1519             if (get_canonname(pai, res, cname) != 0) {  in _gethtent()
1529                                        const struct addrinfo* _Nonnull pai) {  in getCustomHosts()  argument
1535         int error = getaddrinfo_numeric(host.c_str(), nullptr, *pai, &res0);  in getCustomHosts()
1545 static bool files_getaddrinfo(const size_t netid, const char* name, const addrinfo* pai,  in files_getaddrinfo()  argument
1553     while ((p = _gethtent(&hostf, name, pai)) != nullptr) {  in files_getaddrinfo()
1559     if ((p = getCustomHosts(netid, name, pai)) != nullptr) {  in files_getaddrinfo()